Denning Airport Private

CO04 · Keenesburg, CO · Non-towered · Print kneeboard

Elevation
4,977 ft MSL
Longest runway
863 ft 17/35
Runway
1

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 08:38 PM
EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:29 AM11:29Z
Sunrise05:59 AM11:59Z
Sunset08:08 PM02:08Z
Evening civil twilight
Loggable night begins
08:38 PM02:38Z
Loggable night (§1.1)
08:38 PM → 05:29 AM
Night currency (§61.57)
09:08 PM → 04:59 AM

Plan a flight from CO04

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNxw 090°downwind 000°base 270°final 180°45° entry1735

RWY 17LEFT traffic

Heading
180° true
Dimensions
863 × 35 ft
TPA
6,000 ft MSL (≈1,000 AGL) · standard
Surface
Gravel

Enter the left downwind (heading 000°) on the 45° at 6,000 ft MSL (≈1,000 AGL).

More details — RWY 17
Threshold elev
4,976 ft

Condition: Fair.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

Headings shown are true (magnetic variation unavailable).

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for CO04 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the CO04 kneeboard →

Comms & NavAids

Nearby navigation aids

DVV 114.70 · DEN 117.90 · FQF 116.30 · +3
NavAidTypeFreq · chRangeRadial / Dist magnetic
DVV · Mile High VORTAC 114.70 · 94X High r048° / 11.6 NM
DEN · Denver VOR/DME 117.90 · 126X High r037° / 16 NM
FQF · Falcon VORTAC 116.30 · 110X High r016° / 21 NM
BKF · Buckley TACAN 109.60 · 33X r033° / 23.5 NM
GLL · Gill VOR/DME 114.20 · 89X High r155° / 30.8 NM
BJC · Jeffco VOR/DME 115.40 · 101X High r070° / 33.7 NM

Charts & procedures

No published instrument procedures or Chart Supplement for CO04 — open it on the VFR sectional →

Airport info

Airport information

FAA LID
CO04
Coordinates
40.0019, -104.4156
Elevation
4,977 ft MSL
Sectional chart
DENVER
Airport use
Private
Control tower
No
ARTCC
DENVER (ZDV)
Flight service (FSS)
DENVER · 122.2, 122.4 · 1-800-WX-BRIEF
Segmented circle
No
Activated
2023/08
Distance from city
8 SE
Ownership & management 2 contacts
Owner
DENNING FAMILY TRUST
201 HIGHWAY 79, KEENESBURG, CO
970-396-3205
Manager
TODD E. DENNING
201 HIGHWAY 79, KEENESBURG, CO
970-396-3205

Nearby airports

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Also nearby: CO56 Jjs Airport (private) (3 NM) · 22CO Flying E Airport (private) (4 NM) · 49CO Air Dusters Inc Airport (private) (6 NM) · 62CO The Farm Airport (6 NM) · CO60 Horseshoe Landings Airport (private) (6 NM) · 96CO Logan Airport (private) (9 NM)

About CO04

Denning Airport (CO04) is an airport in Keenesburg, CO, at 4,977 ft MSL. It has 1 runway, the longest 863 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CO04, refreshed from the Aviation Weather Center and FAA NASR.

Does CO04 have a control tower?

No. Denning Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at CO04?

Denning Airport has 1 runway; the longest is 863 ft. See the Runways section for headings, surface, and lighting.

Where is CO04?

Denning Airport is in Keenesburg, CO, at an elevation of 4,977 ft MSL. Coordinates: 40.0019, -104.4156.

Fly out of CO04 often?

Save CO04 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open CO04 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.